Four way respiratory valve with dual balloon



FIG. 1 is a perspective view of a four way respiratory valve with dual balloon showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image of that shown;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a rear elevational view. 

The ornamental design for a four way respiratory valve with dual balloon, as shown and described. 